但是这座投入了98亿瑞士法郎(70亿欧元)的隧道也激起了越来越高的担忧呼声，相邻国家繁荣的公路交通可能对阿尔卑斯山带来一定的污染。

But the 9.8 billion Swiss franc (7.0 billion euro) tunnel is also the fruit of a popular wave of concern about pollution in the Alps with booming road traffic transiting from neighboring countries.

youdao

但是这座投入了98亿瑞士法郎(70亿欧元)的隧道也激起了越来越高的担忧呼声，相邻国家繁荣的公路交通可能对阿尔卑斯山带来一定的污染。

But the 9.8 billion Swiss franc (7.0 billion euro) tunnel is also the fruit of a popular wave of concern about pollution in the Alps with booming road traffic transiting from neighboring countries.

youdao